Device Net Mapping And PLC Ladder Logic

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Device Net Mapping AndPLC Ladder Logic

• Herbert Gutierrez
• Mario Cortez
• Jorge Tamsen

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Conveyor System 80s Technology
3
DC Motor Lift Roller Control
4
Lift Station
5
Roller Controller and Sensor
6
Power Flex Variable Frequency Drive
7
AC Motor
8
Ladder Logic
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DeviceNet Mapping and Devices
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Conveyor Elements
Roller Controllers
Rollers
Stack Lights
Lift Station
Sensors
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Devices Attached

• 1784-PCIDS DeviceNet Scanner (add 62)
• 1769 SDN Scanner Module (add 01)
• Lights
• Retroreflective Sensors
• Roller Controllers
• Roller Control Board
• Pneumatic Electric Valve
• Magnetic Sensors

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Scanned Inputs
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Scanned Outputs
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PRC-6120-1 Roller Controller
Inputs
outputs
DeviceNet Connector
Input Port
Output Port
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RightSight DeviceNet Sensors

• The I/O data
• Bit 0 Sensor Output On/Off Bit 1 Diagnostic
  / Alarm Bit 2 Margin 0.7-1.5 Bit 3 Margin
  0.7-2.0Bit 4 Motion Detect Bit 5 Counter
  Output Bit 6 not used Bit 7 not usedMac Id

Sensor 36 address I1.69/8 Sendor 58 address
I1.75/0
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Light Definition
Red Bottom Light add O1.8/0 Green Light
add O1.8/1 Red Top Light O1.8/2
DeviceNet Connector
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Controller 2
6
5

1. Lift Roller Controller O1.2/0
2. Lift Elevator O1.2/1
3. Lift Front Sensor I1.76/0
4. Lift Back Sensor I1.76/1
5. Lift Lower Sensor I1.76/2
6. Lift Upper Sensor I1.76/3

4
3
1
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Controller 8
Roller T3 address Forward O1.4/0 Reverse
O1.4/4
Output Variable
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DeviceNet Ladder Logic
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DeviceNet Ladder Logic (cont.)